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Biomass in-situ hydrogen supply liquefaction oil preparation method

A biomass and in-situ technology, which is applied in the preparation of liquid hydrocarbon mixtures, the petroleum industry, and the treatment of hydrocarbon oil, etc., can solve the problems of environmental hazards, insufficient hydrogen supply efficiency, high cost, etc., to increase the calorific value and solve the problem of recycling problems, the effects of reducing environmental pollution

Active Publication Date: 2017-09-15
SHENYANG AEROSPACE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the high cost and high risk of direct hydrogen supply, as well as the insufficient hydrogen supply efficiency and environmental hazards of traditional in-situ hydrogen supply agents, a new method of in-situ hydrogen supply from biomass to liquefy bio-oil was proposed.

Method used

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  • Biomass in-situ hydrogen supply liquefaction oil preparation method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Add 15g of corn stalk powder, 0g of NiS-MoS, 0g of aluminum powder, and then add 150mL of deionized water, mix evenly and seal the reaction vessel; before heating up each experiment, use high-purity nitrogen (99.99%) to purge for 5min to remove air, magnetically stir The speed of the device is set to 100r / min and gradually increased to 300r / min; the temperature in the kettle is set to 370°C, and the reaction residence time is set to 60min; Determine its composition, and then open the reactor. Pour out the solid-liquid mixture in the kettle, and obtain the aqueous phase and solid 1 after filtration; wash the wall of the reaction kettle, the agitator and the pipeline in the kettle with absolute ethanol and acetone successively, and filter the obtained mixture to obtain the organic phase 1 and solid 2 Add dichloromethane to the water phase and extract to obtain dichloromethane soluble part, which is obtained by rotary evaporation at 40°C to obtain oil 1; solid 1 is washed ...

Embodiment 2

[0022] Under the condition of not adding hydrogen donor, the oil production rate of biomass material catalytic liquefaction to prepare bio-oil was investigated;

[0023] Add 15g of corn stalk powder, 0.3g of NiS-MoS, 0g of aluminum powder, and then add 150mL of deionized water, mix evenly and seal the reactor; before each experiment, the temperature is purged with high-purity nitrogen (99.99%) for 5 minutes to remove the air. The rotating speed of the magnetic stirrer was set at 100r / min and gradually increased to 300r / min; the temperature in the kettle was set at 370°C, and the reaction residence time was set at 60min. After the reaction, the jacket was removed, cooled to room temperature, and the composition of the gas was measured by an infrared online gas analyzer, and then the reactor was opened. Pour out the solid-liquid mixture in the kettle, and obtain the aqueous phase and solid 1 after filtration; wash the wall of the reaction kettle, the agitator and the pipeline in...

Embodiment 3

[0025] Add 15g of corn stalk powder, 0.3g of NiS-MoS, 1.5g of aluminum powder, and then add 150mL of deionized water, mix well and then seal the reaction vessel; before each experiment, purging with high-purity nitrogen (99.99%) for 5 minutes to remove air, . The rotating speed of the magnetic stirrer was set at 100r / min and gradually increased to 300r / min; the temperature in the kettle was set at 370°C, and the reaction residence time was set at 60min. After the reaction, the jacket was removed, cooled to room temperature, and the composition of the gas was measured by an infrared online gas analyzer, and then the reactor was opened. Pour out the solid-liquid mixture in the kettle, and obtain the aqueous phase and solid 1 after filtration; wash the wall of the reaction kettle, the agitator and the pipeline in the kettle with absolute ethanol and acetone successively, and filter the obtained mixture to obtain the organic phase 1 and solid 2 Add dichloromethane to the water ph...

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Abstract

The invention relates to a novel biomass hydrothermal liquefaction bio-oil preparation method. An aluminum-water hydrogen producing reaction is used as a hydrogen supply source to be cooperated with corn stalk catalytic liquefaction for preparing bio-oil; the bio-oil quality can be improved; the method belongs to the technical field of environment protection and new energy sources. The aluminum-water hydrogen producing reaction is used as the hydrogen supply source to be cooperated with corn stalk catalytic liquefaction for preparing bio-oil; the aluminum water reaction hydrogen production and the biomass hydrothermal liquefaction are performed at the same time; the in-situ hydrogen supply modification refining is performed in the biomass liquefaction process; the bio-oil oxygen content can be effectively reduced; the thermal value is improved; the goal of improving the bio-oil quality is achieved.

Description

Technical field: [0001] The invention relates to a new method for producing bio-oil by hydrothermal liquefaction of biomass, which uses the hydrogen production reaction of aluminum-water as the hydrogen supply source, and cooperates with the catalytic liquefaction of biomass materials to prepare bio-oil, which can improve the quality of bio-oil; it belongs to environmental protection and New energy technology field. Background technique: [0002] With the decreasing reserves of fossil fuels such as oil and the increasingly serious environmental pollution problems, the research and development of new technologies for oil alternative fuels is of strategic significance for alleviating my country's oil energy crisis and improving the serious environmental pollution problems. Biomass is the only renewable energy that can be converted into liquid fuel, and has the advantages of huge output, storage and carbon cycle. [0003] Biomass utilization mainly includes physical conversion...

Claims

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Application Information

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IPC IPC(8): C10G1/06
CPCC10G1/065C10G2300/70
Inventor 杨天华张文奇李润东李秉硕贺业光
Owner SHENYANG AEROSPACE UNIVERSITY
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